FRDM-KL27Z RevB1 will no longer feature a MAG3110 Magnetometer due to EOL. The SDK is not affected. The FRDM-KL27Z is an ultra-low-cost development platform for the Kinetis® L Series KL17 and KL27 MCUs built on the Arm® Cortex®-M0+ processor. * Features include easy access to MCU I/O, battery-ready, low-power operation, a standards-based form factor with expansion board options and a built-in debug interface for flash programming and run-control * The FRDM-KL27Z is supported by a range of NXP® and third-party development software